// Copyright 2015 The Chromium Authors. All rights reserved.
// Copyright (C) 2016 Apple Inc. All rights reserved.
//
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// modification, are permitted provided that the following conditions are
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//
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#pragma once

#include "CSSParserContext.h"
#include "CSSParserTokenRange.h"
#include <wtf/text/WTFString.h>

namespace WebCore {

DECLARE_ALLOCATOR_WITH_HEAP_IDENTIFIER(CSSVariableData);
class CSSVariableData : public RefCounted<CSSVariableData> {
    WTF_MAKE_FAST_ALLOCATED_WITH_HEAP_IDENTIFIER(CSSVariableData);
public:
    static Ref<CSSVariableData> create(const CSSParserTokenRange& range, const CSSParserContext& context = strictCSSParserContext())
    {
        return adoptRef(*new CSSVariableData(range, context));
    }

    CSSParserTokenRange tokenRange() const { return m_tokens; }
    const CSSParserContext& context() const { return m_context; }

    const Vector<CSSParserToken>& tokens() const { return m_tokens; }

    bool operator==(const CSSVariableData& other) const;

    String serialize() const;

private:
    CSSVariableData(const CSSParserTokenRange&, const CSSParserContext&);
    template<typename CharacterType> void updateBackingStringsInTokens();

    String m_backingString;
    Vector<CSSParserToken> m_tokens;
    const CSSParserContext m_context;
};

} // namespace WebCore
